[TechAssist] Re: 27R411T RCA TV Chasssis ITC008FHM
- From: "Electric Medic" <info@xxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 28 Apr 2005 23:49:25 -0400
Replace the Flyback. It is almost always bad on the ITC008.
Perry Bower
Electric Medic
"It's Cheaper to Keep Her"
http://www.electricmedic.com
3850 Washington Road Suite 4C
Martinez, Georgia 30907
Phone: 706-8MEDIC4 (863-3424)
Phone: 706-863-3474
Fax: 706-863-2316
mailto:info@xxxxxxxxxxxxxxxxx
-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Larry E
Sent: Thursday, April 28, 2005 10:13 AM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: 27R411T RCA TV Chasssis ITC008FHM
Carl, check the solder around and on the pincushion board, had one that was
killing horiz. drive intermittently, had to hard solder the pincushion
board.
Larry Eastman
American TV & Electronics
Crystal River, Fl. 34428
----- Original Message -----
From: "CARL HURT" <churt-savannah@xxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, April 28, 2005 12:15 AM
Subject: [TechAssist] Re: 27R411T RCA TV Chasssis ITC008FHM
> I'm having problems with this chassis, It goes into shutdown in about a
> second.
> The shutdown leg of IC IV001 pin 36 EHT is 2.3 volts sams says it should
be
> 2.00 volts. it should take 3.6 volts to go into shutdown.
> I assume it's not in overvoltage shutdown.
>
> I removed MAV board. still shutsdown.
>
> I'm Removing tuner tomorrow.
>
> The IPO30 regulator has all the correct voltages except pin 1 which is 11
> volts. This is high because of shutdown , I think.
>
> All power supply voltages are correct.
>
> I changed the eprom.
>
> Drive signal at Hor Driver transformer looks normal.
>
> All diodes in secondary of flyback look good. No shorts
>
> Any help or suggestions welcome.
>
> Carl Hurt Electronics
> 3513 Budreau Av.
> Savannah, Ga, 31408
> 912-964-2275
> churt-savannah@xxxxxxxxxxxxxxxx
>
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